0 1 2 3 Sun 21 Dec 1873 Mon 29 Dec 1873 Tue 06 Jan 1874 Wed 14 Jan 1874 Thu 22 Jan 1874 Fri 30 Jan 1874 Sat 07 Feb 1874 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