0 1 2 3 Fri 11 Jan 1974 Fri 01 Feb 1974 Fri 01 Mar 1974 Mon 01 Apr 1974 Wed 01 May 1974 Sat 01 Jun 1974 Mon 01 Jul 1974 Thu 01 Aug 1974 Sun 01 Sep 1974 Tue 01 Oct 1974 Fri 01 Nov 1974 Sun 01 Dec 1974 Wed 01 Jan 1975 Fri 10 Jan 1975 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