Abnormal Sleep (Sleep Disorders)
Sleep Disorders include
Disturbed sleep at night. Late night awakening.
Nightmares, day dreaming. Over sleepiness in day time.
Lack of freshness after sleep.
Abnormal Sleep patterns include
 | Disturbed sleep at night. |
|
| Late night awakening. |
|
| Early morning awakening. |
|
| Lack of freshness after sleep. |
|
| Over sleepiness in day time. |
|
| Nightmares, day dreaming. |
Normal sleep pattern
 |
Most adults sleep 7-8 hours/night with individual variation. |
|
|
While a mild change of sleep patterns is accepted as normal, less than 4 hr or more than 9 hours is associated with increased mortality. (shortened life span) |