0 1 2 3 Sun 30 Dec 1877 Fri 04 Jan 1878 Wed 09 Jan 1878 Mon 14 Jan 1878 Sat 19 Jan 1878 Thu 24 Jan 1878 Tue 29 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