0 1 2 3 Fri 15 Jan 1971 Fri 22 Jan 1971 Fri 29 Jan 1971 Fri 05 Feb 1971 Fri 12 Feb 1971 Fri 19 Feb 1971 Fri 26 Feb 1971 Fri 05 Mar 1971 Fri 12 Mar 1971 Fri 19 Mar 1971 Sun 21 Mar 1971 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