0 1 2 3 Wed 19 Jan 1949 Tue 01 Feb 1949 Tue 01 Mar 1949 Fri 01 Apr 1949 Tue 19 Apr 1949 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