0 1 2 3 Sat 03 Dec 1977 Sun 01 Jan 1978 Wed 01 Feb 1978 Wed 01 Mar 1978 Sat 01 Apr 1978 Mon 01 May 1978 Thu 01 Jun 1978 Sat 01 Jul 1978 Tue 01 Aug 1978 Fri 01 Sep 1978 Sun 01 Oct 1978 Wed 01 Nov 1978 Fri 01 Dec 1978 Sun 03 Dec 1978 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