0 1 2 3 Thu 17 Mar 1977 Thu 24 Mar 1977 Thu 31 Mar 1977 Thu 07 Apr 1977 Thu 14 Apr 1977 Thu 21 Apr 1977 Thu 28 Apr 1977 Thu 05 May 1977 Thu 12 May 1977 Sun 15 May 1977 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