Pineal gland
the pineal gland
Pineal gland
Pineal gland
melatonin
Circadian
Circadian
It would be an overstatement that a gland is responsible for sleep, however, the pineal gland does have some connection to sleep. It secretes a hormone called melatonin which contributes to sleepiness.
Melatonin. You can buy it in pill form at most grocery stores and drug stores.
That controls sleep and wakefulness. It is the body's natural clock. It is a biological rhythm or cycle of approximately 24 hours.
Sleep problems can be caused by various factors. Although causes may differ, the end result of all sleep disorders is that the body's natural cycle of slumber and daytime wakefulness is disrupted or exaggerated.
Want of sleep; inability to sleep; wakefulness; sleeplessness.
Hypnogogic hallucinations occur during the transition from wakefulness to sleep, often experienced while falling asleep. In contrast, hypnopompic hallucinations happen during the transition from sleep to wakefulness, typically upon waking. Both types of hallucinations can involve vivid visual or auditory experiences, but they are tied to different stages of the sleep-wake cycle.