0 1 2 3 Sun 12 Dec 1971 Sun 19 Dec 1971 Sun 26 Dec 1971 Sun 02 Jan 1972 Sun 09 Jan 1972 Sun 16 Jan 1972 Sun 23 Jan 1972 Sun 30 Jan 1972 Sun 06 Feb 1972 Tue 08 Feb 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