Sleep

Sleep

Definition: the natural state of rest for the body and mind

• Sleep is essential for good health and well-being.
• He aims to get enough sleep every night.
• Understanding sleep helps improve daily functioning.

Sleep in a sentence

Bed

Definition: A piece of furniture for sleeping on, typically with a mattress.

• I love my comfortable bed.
• She made her bed every morning.
• He likes to read before going to bed.

Bed in a sentence

Night

Definition: The time between sunset and sunrise when it is dark outside.

• The stars shine bright at night.
• She likes to read before going to sleep at night.
• They went for a walk in the cool night air.

Night in a sentence

Rest

Definition: To take a break or pause from activity; to relax.

• After a long day, I need to rest.
• She will rest for a few minutes before continuing.
• He took a rest after finishing his homework.

Rest in a sentence

Dream

Definition: A series of thoughts, images, or emotions occurring during sleep; a cherished aspiration.

• She had a dream about flying last night.
• He hopes to fulfill his dream of becoming an artist.
• Dreams can inspire us to achieve our goals.

Dream in a sentence

Tired

Definition: feeling in need of rest or sleep

• I'm tired after running the marathon.
• She felt tired after studying all night.
• They were tired from playing outside all day.

Tired in a sentence

Awake

Definition: Not sleeping; alert and aware.

• He felt awake after drinking coffee.
• She tries to stay awake during class.
• I was awake all night thinking about the project.

Awake in a sentence

Quiet

Definition: Making little or no noise; calm.

• Please be quiet during the movie.
• The library is a quiet place to study.
• She enjoyed the quiet of the early morning.

Quiet in a sentence

Blanket

Definition: A large piece of fabric used for warmth or covering.

• She wrapped herself in a warm blanket on the couch.
• They brought a blanket for the picnic.
• The blanket kept him cozy during the chilly night.

Blanket in a sentence

Pillow

Definition: A soft cushion used for support while sleeping or resting; often filled with feathers or foam.

• She uses a big pillow for her head at night.
• The pillow on the couch was very comfy.
• He fluffed the pillow before lying down.

Pillow in a sentence

Nap

Definition: A short sleep, especially taken during the day.

• She decided to take a quick nap after lunch.
• A nap can help improve your mood and energy.
• He felt refreshed after his afternoon nap.

Nap in a sentence

Snore

Definition: To make a loud sound while sleeping.

• He tends to snore loudly at night.
• She woke up because of his snore.
• Snoring can disturb others’ sleep.

Snore in a sentence

Light

Definition: A source of illumination; not heavy.

• The light in the room is bright.
• She carries a light backpack.
• He turned on the light to see better.

Light in a sentence

Close

Definition: To shut something; to bring something to an end.

• Please close the door when you leave.
• He likes to close his book before sleeping.
• She wants to close the deal by Friday.

Close in a sentence

Eyes

Definition: The organs of vision; also refers to the way someone looks at things.

• Her eyes sparkled with excitement.
• He has blue eyes that everyone admires.
• Understanding eyes is crucial for communication.

Eyes in a sentence

Slumber

Definition: A deep sleep; a state of rest.

• The baby fell into a peaceful slumber.
• After a long day, he enjoyed a deep slumber.
• She woke up from her slumber feeling refreshed.

Slumber in a sentence

Relax

Definition: To become less tense or anxious; to rest.

• I like to relax by reading a book.
• After a long day, it's important to relax.
• She listens to music to help her relax.

Relax in a sentence

Deep

Definition: Having a great distance from the top to the bottom or far inwards.

• The lake is very deep, making it suitable for diving.
• She took a deep breath before speaking in front of the class.
• The cave was dark and deep, filled with interesting formations.

Deep in a sentence

Comfort

Definition: A state of physical ease and freedom from pain; to soothe.

• She found comfort in her favorite blanket on a cold night.
• Talking to friends can bring comfort during tough times.
• The soft chair provided great comfort after a long day.

Comfort in a sentence

Peaceful

Definition: Calm and free from disturbance or conflict.

• The garden is a peaceful place to relax.
• She enjoys peaceful mornings with a cup of tea.
• Understanding peaceful environments promotes well-being.

Peaceful in a sentence

Alarm

Definition: a sound that warns you of danger

• The alarm went off when the smoke was detected.
• She set the alarm for 7 AM.
• The sudden alarm made everyone jump.

Alarm in a sentence

Clock

Definition: A device used to measure and display time.

• The clock on the wall shows the time clearly.
• She set the clock to wake her up in the morning.
• Understanding how a clock works is important for time management.

Clock in a sentence

Insomnia

Definition: The inability to sleep or stay asleep.

• She suffers from insomnia and often feels tired.
• He tried different methods to overcome his insomnia.
• Insomnia can affect concentration during the day.

Insomnia in a sentence

Bedtime

Definition: the time when one goes to bed

• Her bedtime is usually around 9 PM.
• He likes to read before his bedtime.
• Setting a regular bedtime helps with sleep.

Bedtime in a sentence

Snooze

Definition: To sleep lightly; a short nap.

• He likes to snooze for a few minutes after waking up.
• She took a quick snooze on the couch.
• A snooze can help refresh your energy.

Snooze in a sentence

Refreshing

Definition: providing a feeling of renewal; invigorating

• The cool drink was refreshing on a hot day.
• Her smile was refreshing in the gloomy room.
• The breeze felt refreshing after the rain.

Refreshing in a sentence

Relaxation

Definition: The state of being free from tension or anxiety.

• She practices yoga for relaxation.
• Relaxation techniques can help reduce stress.
• He enjoys listening to music for relaxation.

Relaxation in a sentence

Nightmare

Definition: A frightening or unpleasant dream that causes fear or anxiety.

• He woke up from a nightmare feeling scared.
• Nightmares can happen when you’re feeling stressed.
• She had a nightmare about being lost in a dark place.

Nightmare in a sentence

Doze

Definition: To sleep lightly or nap.

• He likes to doze off while watching TV.
• She often dozes during her afternoon break.
• The warm sun made him doze in the hammock.

Doze in a sentence

Meditation

Definition: a practice to focus the mind and relax

• She practices meditation every morning.
• Meditation helps reduce stress.
• He learned meditation techniques in a workshop.

Meditation in a sentence

Ritual

Definition: A set of actions performed in a specific way, often for religious or cultural reasons.

• They have a morning ritual of drinking tea.
• The ceremony included many rituals.
• Her birthday ritual is to make a wish before blowing out the candles.

Ritual in a sentence

Sleepwalker

Definition: a person who walks or performs activities while asleep

• He was startled to find his brother sleepwalking in the hall.
• Sleepwalkers often don’t remember their actions.
• She learned about sleepwalker safety in her class.

Sleepwalker in a sentence

Melatonin

Definition: a hormone that regulates sleep-wake cycles

• Melatonin helps control when you sleep.
• Taking melatonin can help with sleep problems.
• They discussed melatonin's effects on sleep.

Melatonin in a sentence

Chronotype

Definition: An individual's natural preference for being active at certain times of day.

• Her chronotype is that of a night owl, preferring late nights.
• Understanding your chronotype can help with sleep patterns.
• People may have different chronotypes affecting their daily routines.

Circadian

Definition: Relating to biological processes that occur in a 24-hour cycle.

• Circadian rhythms affect our sleep patterns.
• Understanding circadian cycles can improve health.
• He adjusted his schedule to align with his circadian rhythms.

Circadian in a sentence

Rhythm

Definition: A repeated pattern of sounds or movements; the beat in music.

• She danced to the rhythm of the song.
• His heartbeat had a steady rhythm during exercise.
• They learned about rhythm in music class.

Rhythm in a sentence

Fatigue

Definition: extreme tiredness or exhaustion

• He felt fatigue after running the marathon.
• Fatigue can affect your ability to concentrate.
• Understanding fatigue can help in managing energy levels.

Fatigue in a sentence

Alertness

Definition: The state of being watchful and ready to act.

• His alertness helped him notice the problem early.
• She improved her alertness by getting enough sleep.
• Practicing mindfulness can enhance alertness.

Alertness in a sentence

Tranquility

Definition: A state of calmness and peace; free from disturbance.

• She finds tranquility in nature during her walks.
• Meditation helps him achieve tranquility in his life.
• Understanding tranquility can improve mental well-being.

Tranquility in a sentence

Environment

Definition: The natural world around us.

• We should protect our environment.
• The environment is important for all living things.
• Pollution harms the environment.

Environment in a sentence

Unwind

Definition: To relax after a period of stress or work.

• She likes to unwind by reading a book.
• He takes a bath to unwind after a long day.
• Understanding how to unwind is important for mental health.

Unwind in a sentence

Refresh

Definition: to make something new or restore energy

• A nap can refresh your mind for studying.
• She drank water to refresh herself after the workout.
• They took a break to refresh their spirits.

Refresh in a sentence

Energy

Definition: The ability to do work or cause change; vitality.

• I need more energy to finish my homework.
• He has a lot of energy after a good sleep.
• They use solar energy to power their home.

Energy in a sentence

Restorative

Definition: Having the ability to restore health or well-being.

• Yoga is known for its restorative benefits.
• The restorative effects of nature are well-documented.
• She enjoys restorative practices like meditation.

Restorative in a sentence

Deep Sleep

Definition: A state of sleep characterized by slow brain waves and physical relaxation.

• During deep sleep, the body repairs itself and restores energy.
• He felt refreshed after a night of deep sleep.
• Deep sleep is important for overall health and well-being.

Light Sleep

Definition: A stage of sleep where a person is easily awakened; not deep sleep.

• She often experiences light sleep during the night.
• In light sleep, sounds can easily wake him up.
• He entered light sleep before moving into deeper stages.

Rejuvenation

Definition: The process of making something look or feel younger or fresher.

• Rejuvenation treatments can improve skin appearance.
• The spa offered services for relaxation and rejuvenation.
• He felt a sense of rejuvenation after a good night's sleep.

Rejuvenation in a sentence

Drowsiness

Definition: the state of feeling sleepy or tired

• Drowsiness can make it hard to concentrate in class.
• He felt drowsiness after staying up late.
• She tried to fight off her drowsiness during the meeting.

Drowsiness in a sentence

Narcolepsy

Definition: A sleep disorder characterized by excessive daytime sleepiness and sudden sleep attacks.

• He was diagnosed with narcolepsy and needed treatment.
• Narcolepsy can affect daily activities and safety.
• Understanding narcolepsy is important for managing symptoms.

Narcolepsy in a sentence

Somnolence

Definition: the state of feeling drowsy or sleepy

• Somnolence can affect your ability to concentrate in class.
• After lunch, many students felt a bit of somnolence.
• He struggled with somnolence during the long lecture.

Somnolence in a sentence

Restfulness

Definition: A state of being calm and peaceful.

• The restfulness of the garden helps her relax.
• He seeks restfulness in nature.
• Restfulness is important for mental health.

Restfulness in a sentence

Hypnosis

Definition: A trance-like state used for therapeutic purposes.

• Hypnosis can help with anxiety and pain management.
• She learned about hypnosis in her psychology class.
• He was curious about the effects of hypnosis on behavior.

Hypnosis in a sentence

Deprivation

Definition: the state of lacking something; not having enough

• Sleep deprivation can affect your health.
• They faced deprivation during the severe drought.
• Food deprivation is a serious issue in some areas.

Deprivation in a sentence

Lethargy

Definition: a state of tiredness or lack of energy

• His lethargy made it hard to concentrate.
• Lethargy can be a symptom of illness.
• She fought against her lethargy to study.

Lethargy in a sentence

Sleepwalking

Definition: the act of walking or doing other activities while asleep

• Sleepwalking can be dangerous if one goes outside.
• He caught her sleepwalking and gently guided her back to bed.
• Doctors studied sleepwalking to understand its causes.

Sleepwalking in a sentence

REM

Definition: Rapid Eye Movement; a sleep stage associated with vivid dreams.

• During REM sleep, the brain is very active.
• He often remembers his dreams from REM sleep.
• The body cycles through REM and non-REM stages each night.

Sleep Cycle

Definition: the stages of sleep through which a person goes

• A healthy sleep cycle includes deep and REM sleep.
• She tracked her sleep cycle to improve her rest.
• Understanding your sleep cycle can help with fatigue.

Nocturnal

Definition: Active during the night; related to or occurring at night.

• Owls are nocturnal creatures that hunt at night.
• He prefers nocturnal activities like stargazing.
• Many animals are nocturnal to avoid daytime heat.

Nocturnal in a sentence

Slumbering

Definition: Sleeping; in a state of rest.

• The slumbering cat looked so peaceful.
• He found the slumbering child in the quiet room.
• The town was slumbering under a blanket of snow.

Somnambulism

Definition: the condition of walking while asleep

• Somnambulism can be dangerous if the person is not careful.
• He experienced somnambulism as a child, often wandering the house.
• The doctor explained that somnambulism is a type of sleep disorder.

Somnambulism in a sentence

Unconsciousness

Definition: The state of being unaware or not responsive; a lack of awareness.

• He fell into unconsciousness after the accident.
• Doctors monitored her unconsciousness carefully.
• Understanding unconsciousness is important in medicine.

Unconsciousness in a sentence

Serotonin

Definition: a chemical in the brain that affects mood

• Serotonin helps regulate mood and happiness.
• Low serotonin levels can lead to depression.
• Exercise can increase serotonin production in the brain.

Serotonin in a sentence

Sedative

Definition: A medication that calms or soothes the nervous system.

• The doctor prescribed a sedative for her anxiety.
• She felt relaxed after taking the sedative.
• Sedatives are used in various medical situations.

Sedative in a sentence

Catnap

Definition: A short, light sleep, usually taken during the day.

• She took a catnap after lunch to recharge.
• He felt refreshed after a quick catnap.
• A catnap can be very beneficial for energy levels.

Catnap in a sentence

Hypnagogic

Definition: Relating to the state just before falling asleep.

• She experienced hypnagogic hallucinations as she dozed off.
• Hypnagogic sensations can be quite vivid.
• The hypnagogic state is interesting for sleep studies.

Hypnagogic in a sentence

Paralysis

Definition: The loss of the ability to move in part or all of the body; often due to injury or illness.

• Paralysis can result from a spinal cord injury.
• She learned about different types of paralysis in her health class.
• The patient experienced temporary paralysis after the accident.

Paralysis in a sentence

Recuperation

Definition: The process of recovering health or strength.

• Her recuperation took longer than expected.
• During recuperation, he focused on rest and nutrition.
• Recuperation is essential after intense exercise.

Recuperation in a sentence

Overexertion

Definition: The act of exerting oneself too much, leading to fatigue or injury.

• Overexertion during exercise can lead to injury.
• He experienced overexertion after the long run.
• Understanding limits can prevent overexertion.

Overexertion in a sentence

Hibernation

Definition: A state of inactivity and metabolic depression in animals during winter.

• Bears go into hibernation to conserve energy during cold months.
• Hibernation helps some animals survive harsh conditions.
• Understanding hibernation is important in biology.

Hibernation in a sentence

Physiological

Definition: Relating to the functions and processes of living organisms.

• Physiological responses occur during exercise.
• They studied physiological changes in the body.
• Understanding physiological aspects helps in health science.

Physiological in a sentence

Neurotransmitter

Definition: A chemical messenger that transmits signals across synapses between neurons.

• Dopamine is a well-known neurotransmitter.
• They learned how neurotransmitters affect mood and behavior.
• Understanding neurotransmitters is key in mental health.

Neurotransmitter in a sentence

Stages

Definition: plural of stage; steps in a process or levels of development

• The project has several stages to complete.
• They are currently in the final stages of production.
• Each stage of the experiment must be documented.