Question

1. sleep deprivation is... the condition of not getting enough sleep
2. what causes sleep deprivation? stress,poor sleep habits,medical conditions,medical environment factors
3. 3 effects of not sleeping enough are... fatigue,impaired cognitive function, mood changes
4. does napping have benefits? if so, what are they? improving alertness, memory, and mood, reducing stress, and supporting physical health like a stronger immune system and better cardiovascular health
5. planned napping is a helpful technique when...
6. emergency napping
7. habitual napping

Explanation:

1. Planned napping is helpful when one anticipates sleep - deprivation, such as during long - work shifts or study sessions.
2. Emergency napping refers to taking a nap when one is suddenly overcome with extreme fatigue, like after a long drive without rest.
3. Habitual napping is a regular, daily or near - daily napping routine, which can be part of a healthy sleep schedule for some people.

Answer:

1. When anticipating sleep - deprivation.
2. When suddenly extremely fatigued.
3. When it's a regular routine.