To take up this activity, it's important to remember that physical preparation isn't the only requirement – mental readiness is equally crucial. You must be aware that during underwater dives, you'll descend several metres deep, and if you're not relaxed, unpleasant incidents could occur.

Naturally, proper training is essential, as pressure can cause damage to the lungs and body. Many people treat freediving as a game, which can lead to serious consequences:
- Blackout from prolonged freediving
- Deep-water blackout
- Hyperventilation
- Contraindications

Enthusiasts of water sports can explore various freediving styles:
- Static apnea
- Dynamic apnea
- Free immersion
- Constant weight
- Variable weight
- No limits
