Question

How does the presence of melatonin influence sleep and waking up?? ​

Answer 1

• Melatonin is secreted from Pineal Gland which is located on the dorsal side of forebrain.
• Melatonin plays a very important role in regulation of the 24-hour (diurnal) rhythm of our body.
• It's level in the body rises in the evening and throughout the night and drops around noon.
• It have its maximum concentration at midnight and minimum during noon.
• Light reduces melatonin formation and hence normal rhythm of sleep-wake cycle.
• It is also known as biological clock.