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Brain waves change throughout the stages of sleep. During deep NREM sleep, slow-wave brain waves predominate. REM sleep is characterized by rapid and desynchronized brain waves similar to wakefulness. These changes in brain wave activity help regulate sleep cycles and promote essential functions like memory consolidation and restoration.
Want of sleep; inability to sleep; wakefulness; sleeplessness.
Pineal gland
the pineal gland
Pineal gland
The stages of sleep affect consciousness by transitioning through different levels of awareness and brain activity, from light sleep to deep sleep and then to REM (rapid eye movement) sleep. The amount of sleep also impacts consciousness, as insufficient sleep can lead to decreased cognitive function, poor memory retention, and impaired judgment, while getting enough quality sleep supports optimal brain function and awareness during wakefulness.
Circadian
melatonin
Circadian
Pineal gland
yes it is
Humans have a circadian rhythm that controls sleep and wakefulness.