0 1 2 3 Thu 09 Feb 1978 Thu 16 Feb 1978 Thu 23 Feb 1978 Thu 02 Mar 1978 Thu 09 Mar 1978 Thu 16 Mar 1978 Thu 23 Mar 1978 Thu 30 Mar 1978 Thu 06 Apr 1978 Thu 13 Apr 1978 Thu 20 Apr 1978 Sun 23 Apr 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