How do you pinch someone were they fall asleep?

To pinch someone while they are falling asleep, you can gently pinch the skin on their arm or thigh. Make sure to be discreet and considerate, as waking someone abruptly can startle them. Keep in mind that it's important to respect personal boundaries and ensure that the action is done playfully and with consent, especially if it's a friend. Always prioritize their comfort and well-being.