Public cloud environments are multi-tenant and VMs share the physical server which can result in VMs fighting for resources. Because a bare metal cloud is made up of dedicated servers, this problem is avoided.
People with sleep apnea often wake up suddenly due to shortness of breath. Upon waking, they may also choke, snort, or gasp. You may not even be aware of some of these symptoms while you sleep, but waking up feeling out of breath is a strong indicator that you have sleep apnea.
A Johns Hopkins Medicine answered. Difficulty breathing or shortness of breath (also called dyspnea) can sometimes be harmless as the result of exercise or nasal congestion. In other situations, it may be a sign of a more serious heart or lung disease. In order to uncover the reason you may be experiencing shortness of breath, your doctor may request one or more of the following diagnostic tests: Physical exam. Your physician will review patient history and symptoms.