Question

name the activities that occur even at the time of sleeping​

Answer 1

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Sleep timing depends greatly on hormonal signals from the ... rhythm persists even if the outside signals suddenly disappear. ... sleep can occur more independently of circadian time.

Answer 2

But during REM sleep, the thalamus is active, sending the cortex images, sounds, and other sensations that fill our dreams. The pineal gland, located within the brain's two hemispheres, receives signals from the SCN and increases production of the hormone melatonin, which helps put you to sleep once the lights go down.