0 1 2 3 Fri 03 Nov 1972 Fri 01 Dec 1972 Mon 01 Jan 1973 Thu 01 Feb 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