0 1 2 3 Tue 12 Dec 1989 Mon 01 Jan 1990 Thu 01 Feb 1990 Thu 01 Mar 1990 Sun 01 Apr 1990 Tue 01 May 1990 Fri 01 Jun 1990 Sun 01 Jul 1990 Wed 01 Aug 1990 Sat 01 Sep 1990 Mon 01 Oct 1990 Thu 01 Nov 1990 Sat 01 Dec 1990 Wed 12 Dec 1990 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