Question

Hormone that maintains the normal rhythms of the sleep-wake cycle.

• A. Adrenaline
• B. Cortisol
• C. Melatonin
• D. Thyroxine

Hint:

Melatonin supplements can be used to treat sleep disorders such as jet lag and insomnia.

Answer 1

The Correct Option is C

Melatonin is a hormone that is produced by the pineal gland in the brain primarily at night. It regulates sleep patterns by causing drowsiness and lowering body temperature. Melatonin levels typically rise in response to darkness, promoting healthy sleep and helping to orient our circadian rhythm.