UD5 Toolkit
Baby Sleep Schedule Generator – By Age & Wake Windows
Create an age-appropriate daily sleep and feeding schedule for your baby. Based on wake windows and number of naps, helping establish healthy routines from newborn to toddler.
Tag: Prevent Screen Sleep Tool
14+ toolsSleep Cycle Calculator – Wake Up at the Optimal Time
Plan your sleep based on 90-minute cycles to wake up feeling refreshed. Input when you need to wake up or go to bed to see ideal sleep times.
Snore Recorder & Intensity Logger – Overnight Audio Samples
Record brief overnight audio samples and log snoring intensity. Identify patterns and share data with your doctor for sleep apnea assessment.
White, Pink & Brown Noise Generator – Focus & Sleep Sounds
Play continuous white, pink, or brown noise directly in your browser. Includes a timer for sleep and volume control for office concentration.
Jet Lag Planner – Pre‑Trip Light Exposure Schedule
Plan a personalized light exposure and avoidance schedule to minimize jet lag. Enter your origin, destination, and travel dates for a customized 3‑day adjustment plan.
Calories Burned While Sleeping – BMR‑Based Estimator
Based on your weight and hours slept, estimate how many calories you burn simply by sleeping. See the contribution of basal metabolic rate to daily energy use.
White Noise Machine - Online Sleep & Focus Sound Generator
Generate continuous white, pink, or brown noise for sleep or concentration. Adjustable volume with offline support via Web Audio API. No downloads needed.
Caffeine Half‑Life Tracker - Online Blood Level Visualizer
Visualize how caffeine decays in your body over time. Enter intake amount and see remaining caffeine at bedtime to optimize sleep. Uses standard 5-hour half-life.
Wake Lock API Tester - Online Prevent Screen Sleep
Request and release a screen wake lock to keep the device awake. See the lock state in real time. Perfect for recipes or presentations.
Sleep Log Tracker - Online Record Hours & Quality
Log the hours you slept each night and rate the quality. See a weekly bar chart. Local storage.
Baby Sleep Schedule Generator - Online by Age Wake Windows
Generate a sample sleep schedule for babies 0-24 months based on age-appropriate wake windows. Nap count and bedtime suggestions. Educational reference.
Sleep Cycle & REM Calculator - Online Best Bedtimes
Find the optimal go‑to‑sleep or wake‑up times based on 90‑min sleep cycles. Wake up between REM cycles and feel refreshed.
Sleep Debt Tracker - Online Cumulative Sleep Loss Calculator
Log daily sleep to see cumulative sleep debt or surplus over weeks. Visualizes chronic sleep loss trends. Stores data locally in your browser only.
Baby Nap Timer – Online Reminder & Soothing Sounds
Set a nap timer with optional gentle white noise or lullabies (Web Audio). Reminder to put baby down. Fully local, no ads.