Code corresponding to R package GGIR

Non-invasive wearable circadian rhythm telemonitoring sensors

An application to find and visualize circadian rhythms in time course data using extended harmonic oscillators.

☀️ Toolkit for the Munich ChronoType Questionnaire

View your sleep diary

Visualization and ANalysis of timE SerieS dAta - Drosophila Activity Monitors

Neuroscience-grounded persistent memory for AI — with emotions, circadian rhythm, and 5,100 expert knowledge modules. Try it: ask.celiums.ai

Work-in-progress draft of an experiment on the Non 24 circadian rhythm disorder.

Reduce eye strain and improve sleep

A package designed to make easy to pre-process longitudinal actigraphy recordings, especially for the recordings affected by time shift due to daylight saving changes and or cross-continental travel.

Mindful Coffee ☕️ – Smart iOS caffeine log with cortisol rhythm modeling to optimize energy & sleep. Built with SwiftUI, SwiftData, HealthKit & on-device ML.

animate colors based on a time and place on earth

An overview of CRD-related projects that are currently being worked on

A glass box replacement for Android's adaptive brightness. Replaces opaque ML with deterministic math. Features live graphing, auto curve fitting, circadian scaling, and hybrid dimming to prevent eye strains and headaches caused by PWM. Available as both a Tasker project and a standalone Android app (installable as .apk).

A report for use by sleep doctors

A Claude skill that builds your daily schedule around your biology — circadian rhythm, dopamine regulation, and attention science.

Flexible stacked visualization of circadian data from multiple sources and devices

Website of the Circadiaware initiative

Documentation and code for manipulating sleep diaries

Python package for preprocessing, modeling, and analyzing actigraphy time series.