There are a few steps you can take to help reduce the appearance of a pimple overnight:

1. Cleanse your face: Wash your face with a gentle cleanser to remove dirt, oil, and bacteria that can worsen the pimple.

2. Apply a spot treatment: Use an over-the-counter spot treatment containing ingredients like benzoyl peroxide, salicylic acid, or sulfur to help reduce inflammation and redness.

3. Ice the pimple: Applying ice wrapped in a cloth for a few minutes can help reduce swelling and redness.

4. Avoid picking or squeezing: As tempting as it may be, picking or squeezing the pimple can make it worse and cause scarring.

5. Use a clay mask: Applying a clay mask can help absorb excess oil and reduce inflammation in the affected area.

6. Stay hydrated: Drinking plenty of water can help flush out toxins and keep your skin hydrated.

7. Get enough sleep: A good night’s sleep can help your body repair and rejuvenate, which can also benefit your skin.

Remember, results may vary, and it’s essential to be patient as pimples can take time to heal completely.