0 1 2 3 Mon 23 Jan 1928 Wed 01 Feb 1928 Thu 01 Mar 1928 Sun 01 Apr 1928 Tue 01 May 1928 Fri 01 Jun 1928 Sun 01 Jul 1928 Wed 01 Aug 1928 Sat 01 Sep 1928 Mon 01 Oct 1928 Thu 01 Nov 1928 Sat 01 Dec 1928 Tue 01 Jan 1929 Mon 21 Jan 1929 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