Battery drain when suspended

Battery drain in suspended mode. How to fix this? i only have fedora installed no dual boot is there on my laptop. (specs : Intel i5 8gen 8gb ram)
At night my laptop was around 90% and in morning only 5% was left.
My friend has Ubuntu installed he doesnt have this isssue.

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I join the topic. For me, the same situation. The whole battery goes down overnight. Laptop new, half-year-old. I have a comparison to Windows where the battery after the night is consumed about 15-20%