0 1 2 3 Tue 21 Nov 1967 Fri 01 Dec 1967 Mon 01 Jan 1968 Thu 01 Feb 1968 Mon 19 Feb 1968 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