0 1 2 3 Thu 18 Dec 1997 Thu 01 Jan 1998 Sun 01 Feb 1998 Sun 01 Mar 1998 Wed 01 Apr 1998 Fri 01 May 1998 Mon 01 Jun 1998 Wed 01 Jul 1998 Sat 01 Aug 1998 Tue 01 Sep 1998 Thu 01 Oct 1998 Sun 01 Nov 1998 Tue 01 Dec 1998 Fri 18 Dec 1998 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