Research Article

Insomnia in Sweden: A Population-Based Survey

Table 3

Sleep duration on week nights and on weekends/days off in subjects with insomnia disorder ( ) and in subjects without insomnia disorder ( ).

ā€‰Sleep duration on week nights (hrs)Sleep duration on weekends/days off (hrs)
ā€‰MeanSDMeanSD

Subjects with insomnia disorder5.771.647.04***2.41
Subjects without insomnia disorder7.031.057.86***1.37

SD: standard deviation: .