When you wake up and feel as if you have not slept at all,
A)you were probably awakened while still in Stage 1.
B)you stayed in Stage 2 of your sleep cycle.
C)you stayed in Stage 3 of your sleep cycle.
D)you were constantly awakened by sleep spindles.

Question

Quizplus · Accepted Answer

Feeling as if you have not slept at all is often associated with being awakened during Stage 1 of the sleep cycle, which is the lightest stage of sleep. Being awakened during this stage can leave you feeling like you haven't slept.

When You Wake Up and Feel as If You Have