0 1 2 3 Tue 26 Dec 1871 Wed 03 Jan 1872 Thu 11 Jan 1872 Fri 19 Jan 1872 Sat 27 Jan 1872 Sun 04 Feb 1872 Mon 12 Feb 1872 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