0 1 2 3 Tue 15 Sep 1970 Thu 01 Oct 1970 Sun 01 Nov 1970 Tue 01 Dec 1970 Fri 01 Jan 1971 Mon 01 Feb 1971 Mon 01 Mar 1971 Thu 01 Apr 1971 Sat 01 May 1971 Sun 23 May 1971 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