Figure 1.3. Yellow, the color of smileys. Green. Green is most commonly associated with nature. Itâs a soothing color that symbolizes growth, freshness, and hope. Thereâs little doubt why the color has been so closely tied with environmental protection. Visually, green is much easier on the eyes, and far less dynamic than yellow, orange, or red.
Sleep related leg cramps are sudden and intense feelings of pain in the leg or foot. The pain is caused when a muscle contracts and tightens. The cramps occur without you being able to control them. They may happen while you are still awake or after you are asleep. They normally begin very suddenly.
Defining Muscle Cramps. A muscle cramp happens when a muscle involuntarily tightens or spasms, causing sudden acute pain. Otherwise known as a charley horse, a muscle cramp often occurs during exercise but can also occur while you're sleeping. According to MayoClinic.com, muscle cramps usually go away on their own without medical treatment.