Although the use of free weights promotes whole-body stabilisation and improvements in balance and proprioception, it doesn't necessarily mean they are significantly better than weight machines...
The human body needs fuel (or calories) to work effectively and efficiently, so exercising before breakfast isn't recommended as you’re asking your body to exert itself after possibly eight hours of no fuel intake...
Wearing abrasive, uncomfortable or damp socks during a workout may impact your ability to exercise comfortably, and the extra friction may also cause another unpleasant surprise - a liquid-filled blister...