0 1 2 3 Sun 21 Apr 1991 Tue 30 Apr 1991 Thu 09 May 1991 Sat 18 May 1991 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All