0 1 2 3 Tue 28 Mar 1978 Wed 05 Apr 1978 Thu 13 Apr 1978 Fri 21 Apr 1978 Sat 29 Apr 1978 Sun 07 May 1978 Mon 15 May 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