Will sleeping at altitude slow recovery and hurt performance?

No.

The studies controlled for differences in recovery.

The athletes who slept high and trained low outperformed all other groups.

• Will sleeping at altitude slow recovery and hurt performance?
• Is there a maintenance schedule to keep the acclimatization effect?
• How does the exposure to simulated altitude compare with natural elevation?
• What are the advantages of simulated altitude?
• Why don't I just train harder at sea-level?
• I already live at high altitude; will CAT's systems still help me?
• How long do I need to sleep at altitude to notice the benefits of Altitude Training?
• What is the optimal sleeping altitude?
• What is the optimal altitude for training?