0 1 2 3 Tue 21 May 1991 Sat 01 Jun 1991 Mon 01 Jul 1991 Thu 01 Aug 1991 Mon 19 Aug 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