0 1 2 3 Thu 20 Dec 1877 Thu 27 Dec 1877 Thu 03 Jan 1878 Thu 10 Jan 1878 Thu 17 Jan 1878 Thu 24 Jan 1878 Thu 31 Jan 1878 Thu 07 Feb 1878 Wed 13 Feb 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