0 1 2 3 Sun 19 Jan 1964 Sat 01 Feb 1964 Sun 01 Mar 1964 Wed 01 Apr 1964 Sat 18 Apr 1964 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