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What is the difference between the punctuated equilibrium and gradual change theories of evolution?
Cycles of Sleep
The repeating periods of non-REM and REM sleep experienced through the course of a night, typically occurring in 90-minute intervals.
Restorative Theory
A theory suggesting that sleep is necessary for the body to repair and rejuvenate itself, supporting physical health and efficiency in daily functions.
REM Sleep
A sleep phase characterized by Rapid Eye Movement, during which vivid dreams commonly occur, and is considered important for emotional regulation and memory.
Impotence
A condition often referred to as erectile dysfunction, where a person is unable to achieve or maintain an erection sufficient for satisfactory sexual performance.
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