0 1 2 3 Thu 11 Jan 1973 Thu 01 Feb 1973 Thu 01 Mar 1973 Sun 01 Apr 1973 Tue 01 May 1973 Fri 01 Jun 1973 Sun 01 Jul 1973 Wed 01 Aug 1973 Sat 01 Sep 1973 Mon 01 Oct 1973 Thu 01 Nov 1973 Sat 01 Dec 1973 Tue 01 Jan 1974 Thu 10 Jan 1974 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