0 1 2 3 Tue 11 May 1976 Tue 01 Jun 1976 Thu 01 Jul 1976 Sun 01 Aug 1976 Mon 09 Aug 1976 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