1. In noisy place, I can't concentrate on studying or reading something. To listen to this TED talk, I thought I should listen to bird singing or use a head phone when I want to concentrate on something.
2. Cortisol
Hormone
Bandwidth
Deploy
3. Typing sounds and clicking sounds
I became relaxed to hear these sounds
2. Cortisol
Hormone
Bandwidth
Deploy
3. Typing sounds and clicking sounds
I became relaxed to hear these sounds