0 1 2 3 Sat 31 Mar 1956 Sun 01 Apr 1956 Tue 01 May 1956 Fri 01 Jun 1956 Sun 01 Jul 1956 Wed 01 Aug 1956 Sat 01 Sep 1956 Sat 08 Sep 1956 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