0 1 2 3 Fri 17 Dec 1971 Fri 24 Dec 1971 Fri 31 Dec 1971 Fri 07 Jan 1972 Fri 14 Jan 1972 Fri 21 Jan 1972 Fri 28 Jan 1972 Fri 04 Feb 1972 Fri 11 Feb 1972 Fri 18 Feb 1972 Fri 25 Feb 1972 Wed 01 Mar 1972 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