0 1 2 3 Sat 21 Sep 1963 Tue 01 Oct 1963 Fri 01 Nov 1963 Sun 01 Dec 1963 Wed 01 Jan 1964 Sat 01 Feb 1964 Tue 11 Feb 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