Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2015 Oct 1;6:208. doi: 10.3389/fneur.2015.00208

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright © 2015 Facer-Childs and Brandstaetter.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

PMC Copyright notice

Relevant sleep/wake parameters validate circadian phenotyping. (A) Average wake-up time on weekdays. (B) Average wake-up time at weekends. (C) Average sleep onset on weekdays. (D) Average sleep onset at weekends. (E) Average sleep duration during weekdays. (F) Average sleep duration weekends. White boxes represent early circadian phenotypes (ECT), light gray boxes represent intermediate circadian phenotypes (ICT), late circadian phenotypes are shown in dark gray (LCT). Boxplots show 25th–75th percentile. Whiskers and outliers are plotted by the Tukey method and the mean is shown within the box as a +. Statistical analysis was carried out using Kruskal–Wallis non-parametric tests combined with Dunn’s multiple comparison test. ns, not significant, **p < 0.01, ***p < 0.001.