0 1 2 3 Sun 21 Nov 1971 Sun 28 Nov 1971 Sun 05 Dec 1971 Sun 12 Dec 1971 Sun 19 Dec 1971 Sun 26 Dec 1971 Sun 02 Jan 1972 Sun 09 Jan 1972 Sun 16 Jan 1972 Mon 17 Jan 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