0 1 2 3 Fri 24 Apr 1981 Fri 01 May 1981 Mon 01 Jun 1981 Wed 01 Jul 1981 Thu 23 Jul 1981 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