0 1 2 3 Sat 19 Nov 1870 Thu 01 Dec 1870 Sun 01 Jan 1871 Wed 01 Feb 1871 Wed 01 Mar 1871 Sat 01 Apr 1871 Sun 09 Apr 1871 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