0 1 2 3 Wed 28 Feb 1973 Wed 07 Mar 1973 Wed 14 Mar 1973 Wed 21 Mar 1973 Wed 28 Mar 1973 Wed 04 Apr 1973 Wed 11 Apr 1973 Wed 18 Apr 1973 Wed 25 Apr 1973 Tue 01 May 1973 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