Creatine may be a suitable supplement if you regularly participate in resistance training, high-intensity exercise or sports that require repeated bursts of power. If you're unsure whether its appropriate for you, seek advice from a qualified healthcare professional.

Creatine helps regenerate ATP, the body's immediate source of energy during short, intense exercise. However, it doesn't provide the instant stimulating effect associated with caffeine or energy drinks, so you shouldn't expect an immediate feeling of increased energy after taking it. 

Current evidence suggests that while there may be some benefits of taking creatine for sleep deprivation, creatine should not be viewed as a supplement that directly improves sleep quality. 

The good news is that research doesn't indicate that creatine keeps you awake, meaning you can take creatine before bedtime if that's the most convenient time for your routine. 

Ultimately, consistency is more important than timing. Choosing a high-quality pure creatine monohydrate powder and taking it daily is the best way to support your body's creatine stores and enjoy its well-established benefits for exercise performance and recovery. 

While there is nothing to suggest that creatine helps you fall asleep, various studies have proven that it does help protect your brain from any mental fatigue and memory loss caused by sleep deprivation. Furthermore, pure creatine monohydrate contains no stimulants and won't keep you awake at night.

Creatine is not a stimulant, so taking it in the evening is unlikely to keep most people awake. You can take creatine as part of your evening routine to support your recovery after a post-work workout. Make sure to check the ingredients in your creatine for caffeine, as this is a sign of a lower quality creatine powder.

Creatine is best known for supporting high-intensity exercise performance, increasing strength and power, and promoting lean muscle gains alongside resistance training. It's also one of the most researched sports nutrition supplements available.