PSYCHOLOGY OF EMOTIONS

Detailed explanation-1: -The restorative theory states that sleep allows for the body to repair and replete cellular components necessary for biological functions that become depleted throughout an awake day.

Detailed explanation-2: -In Stage 3, also known as deep sleep, the body is in recovery mode, slowing down even further. At the same time, overall brain activity slows and shows a tell-tale pattern of pulses of activity. View Source that are believed to help prevent unwanted awakenings.

Detailed explanation-3: -Many biological processes happen during sleep: The brain stores new information and gets rid of toxic waste. Nerve cells communicate and reorganize, which supports healthy brain function. The body repairs cells, restores energy, and releases molecules like hormones and proteins.

Detailed explanation-4: -Stage 3 and 4 sleep, the most restorative stages, are known as deep sleep. We need about one and a half to two hours of deep sleep a night. In stage 3, very slow brain waves called delta waves are interspersed with smaller, faster waves.

Detailed explanation-5: -Organizing and storing memories: Memories are believed to be converted from short-term to long-term storage, while information deemed unimportant is removed. This primarily occurs during REM sleep, which is when the brain cells most involved in memory, attention, and learning are least active.