If iam correct, you were using isochronic tones and binaural beats to sleep or get de-stressed. If your on Medicines you may not need these things as they will take care of your problems much better than isochronic tones or binaural beats.
Next Steps
Ignore the effect.
Health Tips
Consult a Psychiatrist if your having any other side effects like drowsiness, weight gain, diarrhoea or excessive sweating.