0 1 2 3 Mon 03 Dec 1877 Tue 11 Dec 1877 Wed 19 Dec 1877 Thu 27 Dec 1877 Fri 04 Jan 1878 Sat 12 Jan 1878 Sun 20 Jan 1878 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