Free tools for your mental well-being
Interactive exercises, tests and practical tools to breathe better, sleep better and understand yourself better. 100% free, no sign-up.
🌬 Breathing
Heart Coherence 365 Timer
Practice the 365 method with an animated visual guide
Breathing Compass
Find the breathing technique that fits how you feel
4-7-8 Breathing Timer
Inhale 4s, hold 7s, exhale 8s — Dr. Weil's method to sleep and calm anxiety
🌙 Sleep
Sleep Cycle Calculator
Calculate the ideal time to go to bed or wake up
Chronotype Quiz
Discover your natural rhythm and optimize your sleep
🧘 Anxiety & stress
5-4-3-2-1 Grounding Exercise
Calm a surge of anxiety in 3 minutes with the sensory technique
Quick Stress Score
Assess your stress level in 2 minutes
Anxiety Test (GAD-7)
Assess your anxiety with the validated clinical questionnaire
Stress Body Map
Locate your physical tension and learn how to release it
Hypervigilance Test
Identify whether you are in a constant state of alert
🌱 Personal growth
Mental Load Audit
Take stock of your daily mental overload
Circle of Control
Sort out what you truly control to let go more easily
Thought Filter (CBT)
Reframe your negative thoughts with cognitive restructuring
Emotional Intelligence Test
Assess your emotional skills across 5 dimensions
Highly Sensitive Person Test
Discover your emotional and sensory sensitivity profile
💡 Measure your thoughts
Rumination Barometer
Measure the impact of your ruminations on daily life
Go further with Serena
Find all these exercises in a guided version in the app, with personalized tracking, reminders and soothing sounds.
Download Serena