Yes, the Whoop 4.0 has all the range of features, including the stress monitor that trigger when you are under stress, through numerous data points. Stress, especially physical stress and overexertion is always a target for its perfect identification. Whoop offers some advice for stress relief in the form of the Wim Hof method on the app which includes breathing exercises. Those exercises are measured so that you are able to check their effects on stress onset. Even though the Whoop does not allow vibrating alert for stress, it has stress management tools in the form of breathing technique and voice guidance.