0 1 2 3 Mon 09 Dec 1872 Sat 14 Dec 1872 Thu 19 Dec 1872 Tue 24 Dec 1872 Sun 29 Dec 1872 Fri 03 Jan 1873 Wed 08 Jan 1873 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