<unk>  is classified as an intrinsic dyssomnia. While SSM is regarded a sub-type of insomnia, it is also established as a separate<unk> -condition, with distinct pathophysiology. Nonetheless, the value of distinguishing this type of insomnia from other types is debatable due to the relatively low frequency of SSM being reported.<unk>  can also be further broken down into several types, by patients who: * report short<unk>  (subjective insomnia complaint without objective findings) * or no<unk>  at all (subjective total insomnia) * report excessive daytime<unk> iness (subjective<unk> iness complaint without objective findings) * report<unk> ing too much (subjective hypersomnia without objective findings)
Sleep state misperception
Body image disturbance
Fear of flying
Fear of falling
Listener fatigue
Pathological lying
Fear of medical procedures
Directed attention fatigue