0 1 2 3 Wed 27 Dec 1972 Wed 03 Jan 1973 Wed 10 Jan 1973 Wed 17 Jan 1973 Wed 24 Jan 1973 Wed 31 Jan 1973 Wed 07 Feb 1973 Wed 14 Feb 1973 Wed 21 Feb 1973 Tue 27 Feb 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