REM Sleep Occurs for the First Time

question 166

Multiple Choice

REM sleep occurs for the first time:

• A)within 10 minutes of falling asleep.
• B)after about an hour of sleep.
• C)about 70 to 90 minutes after sleep onset.
• D)after about 3-4 hours of sleep.

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Definitions:

Electron Cloud

A model describing the area around an atomic nucleus where electrons are likely to be found, depicting electron positions as a cloud-like distribution.

Temporary Dipole

A temporary dipole occurs when there is a short-lived imbalance of electron density within a molecule, causing a temporary separation of charges.

Intermolecular Force

The forces of attraction or repulsion which act between neighboring particles (atoms, molecules, or ions).

Dispersion Forces

Weak forces resulting from temporary polarization of molecules due to the movement of electrons, also known as London dispersion forces.