0 1 2 3 Sat 11 Jan 1975 Sat 18 Jan 1975 Sat 25 Jan 1975 Sat 01 Feb 1975 Sat 08 Feb 1975 Sat 15 Feb 1975 Sat 22 Feb 1975 Sat 01 Mar 1975 Sat 08 Mar 1975 Wed 12 Mar 1975 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