0 1 2 3 Tue 25 Jan 1966 Tue 01 Feb 1966 Tue 01 Mar 1966 Fri 01 Apr 1966 Mon 25 Apr 1966 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