There is no doubt that if you read Atomic Habits and apply it to your life, it will fundamentally change who you will become. There are many practical examples given, and tools to apply to your daily routines. Atomic Habits fully explains the number one fundamental thing you can change to achieve your goals in life, your habits!
Until you read Why We Sleep, you have no idea how important your sleep is for your health. You will never consider losing a few hours sleep again except in the most extenuating of circumstances. Why We Sleep is extremely well written and one of the most fascinating and entertaining books full of knowledge you will ever read.