0 1 2 3 Sun 21 Jan 1968 Mon 05 Feb 1968 Tue 20 Feb 1968 Wed 06 Mar 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