0 1 2 3 Tue 18 Mar 1879 Sun 23 Mar 1879 Fri 28 Mar 1879 Wed 02 Apr 1879 Mon 07 Apr 1879 Sat 12 Apr 1879 Thu 17 Apr 1879 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