0 1 2 3 Tue 09 May 1978 Thu 01 Jun 1978 Sat 01 Jul 1978 Tue 01 Aug 1978 Mon 07 Aug 1978 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