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100

A restless feeling in the legs, which can disrupt sleep, is a symptom of this syndrome.

restless legs syndrome

100

Besides difficulty falling asleep, a person with insomnia may also experience this during the day.

feeling tired or sleepy

100

This therapy helps address the thoughts and behaviors that interfere with sleep.

cognitive-behavioral therapy

100

This type of insomnia has no identifiable cause or underlying condition.

primary insomnia

100

In addition to rapid eye movements, this stage of sleep is also characterized by a temporary paralysis of the body's muscles.

REM sleep paralysis

200

The body's natural internal clock, which regulates the sleep-wake cycle, is also known by this two-word term.


the circadian rhythm

200

Insomnia can lead to this type of daytime cognitive impairment, making it hard to perform daily tasks.

poor concentration

200

Melatonin is a supplement that can be used to treat insomnia caused by disruptions to this.

circadian rhythm

200

The amount of time it takes to fall asleep after getting into bed is known by this term.

sleep latency

200

When studying a person's sleep, a doctor uses an electroencephalogram, or EEG, to measure these brainwave patterns that change throughout the sleep cycle.

delta waves

300

This chemical, which builds up throughout the day, acts as a sleep-inducing agent and is blocked by caffeine.


What is adenosine

300

Waking up too early and being unable to go back to sleep is a symptom of this type of insomnia.

maintenance insomnia

300

This is a recurrent and disturbing pattern of sleep characterized by terror and a sudden awakening from sleep with no memory of a bad dream.

night terrors

300

 Sleep deprivation can lead to this physical consequence, increasing the risk of high blood pressure and heart disease.

 poor cardiovascular health

300

 This substance can make you feel sleepy initially but causes fragmented sleep later in the night.

alcohol

400

The natural drop in body temperature that occurs in the evening is a signal to the body that it is time for this.

sleep

400

This mood disorder, characterized by persistent feelings of sadness and a loss of interest, is often linked to sleep disturbances.

depression

400

 A technique called "sleep restriction" involves reducing the amount of time you spend in bed to increase your drive for this.

sleep

400

his brain chemical, which helps regulate the body's internal clock, is naturally released in response to darkness.

melatonin

400

The recommended duration for using prescription sleep aids, according to most guidelines, is this.

short-term use

500

 It is recommended to avoid consuming this stimulating beverage close to bedtime

caffeine

500

This condition, often characterized by loud snoring and gasping for air, is a risk factor for insomnia and can cause you to wake up frequently.

sleep apnea

500

 If you are having trouble sleeping, a health care provider may suggest keeping one of these to track your habits.

sleep diary 

500

Sleep deficiency can lead to heightened sensitivity to pain, a condition also known as this.

hyperalgesia

500

Having a bedroom that is too bright can interfere with the production of this sleep-regulating hormone.

melatonin