0 1 2 3 Tue 18 Feb 1969 Sat 01 Mar 1969 Tue 01 Apr 1969 Thu 01 May 1969 Mon 19 May 1969 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