PSYCHOLOGY OF EMOTIONS

Detailed explanation-1: -Research suggests that sleep helps learning and memory in two distinct ways. First, a sleep-deprived person cannot focus attention optimally and therefore cannot learn efficiently. Second, sleep itself has a role in the consolidation of memory, which is essential for learning new information.

Detailed explanation-2: -Sleep researchers define our sleep stages in terms of. Brain wave patterns.

Detailed explanation-3: -As the sleep cycles continue, the proportion of REM sleep in each cycle decreases. Some psychologists suggest that sleep has evolved in order to allow humans to dream. Sleep is an universal biological need. During which stage of sleep does body temperature begin to fall?

Detailed explanation-4: -When sleep researchers have studied humans and other species, they found that only the higher mammals, such as humans, great apes, and bottlenose dolphins experience REM sleep. Most mammals experience REM sleep.