Which Two Phases Make Up Normal Sleep

question 3

Multiple Choice

Which two phases make up normal sleep?

• A) Hypnogogic and hypnopompic
• B) REM and non-REM
• C) Alpha and beta
• D) Delta and theta

---

Definitions:

Inner Ear Membrane

A delicate structure within the inner ear that plays a crucial role in hearing and balance, responding to sound waves and head movements.

Audition

The sense or act of hearing.

Proximal Stimulus

The physical energy from a stimulus that directly interacts with and is detected by the sensory organs.

Membrane Vibration

Oscillations of the cell membrane, which can be vital for processes such as the transmission of sound waves through the inner ear.