0 1 2 3 Sun 17 Dec 1871 Mon 25 Dec 1871 Tue 02 Jan 1872 Wed 10 Jan 1872 Thu 18 Jan 1872 Fri 26 Jan 1872 Sat 03 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