e/Sleep inertia

Information
has gloss	eng: Sleep inertia is a physiological state characterised by a decline in motor dexterity and a subjective feeling of grogginess immediately following an abrupt awakening. The impaired alertness may interfere with the ability to perform mental or physical tasks. Sleep inertia can also refer to the tendency of a person to want to return to sleeping.
lexicalization	eng: sleep inertia
instance of	(noun) a daily cycle of activity observed in many living organisms circadian rhythm