Breathing exercises are also considered very important to maintain mental fitness and it can reduce stress.
•Alternate-nostril breathing (nadi shodhana)
It’s best to practice this type of anxiety-relieving breathing in a seated position to maintain your posture. It involves blocking off one nostril at a time as you breathe through the other, alternating between nostrils in a regular pattern.
•Lion’s Breath (simhasana)
It can help relax the muscles in your face and jaw, alleviate stress, and improve cardiovascular function. This is another helpful deep breathing practice.
•Resonance Breathing
Resonance breathing, or coherent breathing, can help you get into a relaxed state and reduce anxiety.
•54321 Method
Look for 5 things you can see
Focus on 4 things you can touch
Listen for 3 things you can hear
Find 2 things you can smell
Name 1 thing you can taste
•Belly Breathing
According to The American Institute of Stress, 20 to 30 minutes of “belly breathing,” also known as abdominal breathing or diaphragmatic breathing, each day can reduce stress and anxiety
•Bhramari or bee breath
Practicing Bhramari might remind you of when you were a child and you put your fingers into your ears to not hear whatever was bothering you.
It very effective in instantly calming your mind down. It is one of the best breathing exercises to release the mind of agitation, frustration, or anxiety and get rid of anger.
•The half-salamander 
This is called the half-salamander because your eyes are moving while your head is kept still, similar to a salamander’s behavior.
