0 1 2 3 Tue 21 Feb 1950 Wed 01 Mar 1950 Sat 01 Apr 1950 Mon 01 May 1950 Mon 22 May 1950 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