Sleep fragmentation

1. The process in which an IP (Internet protocol) datagram is broken into smaller pieces to fit the requirements of a given physical network; the reverse process of reassembly. 2. ...

fragmentation

Geography; Physical geography

In agriculture, the splitting of a landholding into smaller, more disparate parts usually due to inheritance being applied inefficiently.

fragmentation

Culture; Social media

In urban sociology, fragmentation refers to the absence or the underdevelopment of connections between the society and the groupings of some members of that society on the lines ...

fragmentation

Biology; Ecology

Breaking up of a forest into islands of trees.

nap

Health care; Sleep disorder

Short period of sleep at a time separate from the major sleep period, especially during the day.

rebound insomnia

Health care; Sleep disorder

Sleep difficulties after discontinuing use of a hypnotic medication.

restless legs syndrome (RLS)

Health care; Sleep disorder

Sleep disorder characterized by a deep creeping, or crawling sensation in the legs even when the legs are not moving. There is neurologic movement disorder that causes an almost ...

insomnia

Health care; Sleep disorder

Sleeplessness; chronic difficulty with sleep onset or maintenance of sleep, or a perception of nonrefreshing sleep. People with insomnia have one or more of the following: * ...

sleepwalking

Health care; Sleep disorder

Somnambulism. A sleep disorder where the person gets out of bed and walks around during sleep. Typically occurs in the first third of the night during deep NREM sleep (stages 3 ...

sleepiness

Health care; Sleep disorder

Somnolence, drowsiness - state where the subject finds it difficult to maintain the wakeful state and falls asleep if not actively kept aroused. Differs from simply a feeling of ...