Pineal gland
the pineal gland
Pineal gland
Pineal gland
melatonin
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.
Circadian
Circadian
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.
Pineal gland or Pineal body which makes melatonin, a hormone important in the sleep-wake cycle. It also influences sexual development
The thalamus is not a gland but a critical brain structure that acts as a relay station for sensory information and plays a role in regulating sleep and wakefulness. It helps to filter sensory input and is involved in the sleep-wake cycle by facilitating the transition between states. While it does not "prevent" sleep per se, dysfunction or abnormal activity in the thalamus can disrupt sleep patterns and contribute to sleep disorders. Thus, its proper functioning is essential for healthy sleep regulation.
i believe it is pituitary gland not 100% sure