0 1 2 3 Mon 13 Nov 1972 Mon 20 Nov 1972 Mon 27 Nov 1972 Mon 04 Dec 1972 Mon 11 Dec 1972 Mon 18 Dec 1972 Mon 25 Dec 1972 Mon 01 Jan 1973 Mon 08 Jan 1973 Mon 15 Jan 1973 Mon 22 Jan 1973 Thu 25 Jan 1973 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