Here are 8 yogasanas that can help you stay young and healthy for a long time:

1. Downward-Facing Dog (Adho Mukha Svanasana)
This yogasana stretches the entire body, from the hands to the heels, and can help to:

- Improve flexibility and balance
- Strengthen the arms and legs
- Reduce stress and anxiety

2. Cobra Pose (Bhujangasana)
This yogasana strengthens the back muscles and can help to:

- Improve posture and reduce back pain
- Increase flexibility and mobility
- Enhance breathing and reduce stress

3. Warrior Pose (Virabhadrasana)
This yogasana strengthens the legs and hips and can help to:

- Improve balance and stability
- Increase strength and flexibility
- Enhance confidence and self-esteem

4. Triangle Pose (Trikonasana)
This yogasana stretches the entire body and can help to:

- Improve flexibility and balance
- Strengthen the arms and legs
- Reduce stress and anxiety

5. Seated Forward Fold (Paschimottanasana)
This yogasana stretches the entire back side of the body and can help to:

- Improve flexibility and balance
- Strengthen the back muscles
- Reduce stress and anxiety

6. Plank Pose (Phalakasana)
This yogasana strengthens the arms, shoulders, and core and can help to:

- Improve posture and reduce back pain
- Increase strength and endurance
- Enhance breathing and reduce stress

7. Tree Pose (Vrksasana)
This yogasana improves balance and stability and can help to:

- Improve focus and concentration
- Increase strength and flexibility
- Enhance confidence and self-esteem

8. Child's Pose (Balasana)
This yogasana stretches the back and hips and can help to:

- Improve flexibility and balance
- Reduce stress and anxiety
- Enhance relaxation and calmness

Benefits of These Yogasanas
Regular practice of these yogasanas can help to:

- Improve flexibility and balance
- Increase strength and endurance
- Enhance breathing and reduce stress
- Improve posture and reduce back pain
- Increase confidence and self-esteem
- Enhance relaxation and calmness

Tips for Practice
1. *Start slow*: Begin with gentle movements and gradually increase the intensity and duration of your practice.
2. *Listen to your body*: Honor your body's limitations and take regular breaks to avoid injury or fatigue.
3. *Focus on breath*: Pay attention to your breath and use it to guide your movements and calm your mind.
4. *Practice regularly*: Aim to practice yoga at least 2-3 times per week, and ideally every day if possible.
Here are some general guidelines for practicing yoga:

Best Time to Practice Yoga
1. *Early Morning*: Practicing yoga in the early morning can help to:
    - Boost energy and wakefulness
    - Improve mental clarity and focus
    - Set a positive tone for the day
2. *Late Afternoon/Early Evening*: Practicing yoga in the late afternoon or early evening can help to:
    - Reduce stress and anxiety
    - Improve flexibility and balance
    - Prepare the body for rest and relaxation

Avoid Practicing Yoga During These Times
1. *Immediately After Meals*: Avoid practicing yoga immediately after meals, as this can cause discomfort and indigestion.
2. *During Menstruation*: Avoid practicing yoga during menstruation, as this can cause discomfort and exacerbate symptoms.
3. *When Feeling Unwell*: Avoid practicing yoga when feeling unwell, as this can cause further discomfort and delay recovery.

Tips for Creating a Yoga Schedule
1. *Start Small*: Begin with a manageable schedule, such as practicing yoga 2-3 times per week.
2. *Be Consistent*: Aim to practice yoga at the same time every day or week, to establish a consistent routine.
3. *Listen to Your Body*: Pay attention to your body's needs and adjust your schedule accordingly. If you're feeling tired or sore, it may be necessary to take a rest day or modify your practice.

Benefits of a Regular Yoga Practice
1. *Improved Physical Health*: Regular yoga practice can help to improve flexibility, balance, strength, and overall physical health.
2. *Reduced Stress and Anxiety*: Yoga can help to reduce stress and anxiety by promoting relaxation and calming the mind.
3. *Improved Mental Clarity and Focus*: Yoga can help to improve mental clarity and focus by training the mind and promoting concentration.

Remember, the best time to practice yoga is when it feels most comfortable and convenient for you. Experiment with different schedules and find what works best for your lifestyle and needs.

Conclusion
These 8 yogasanas can help you stay young and healthy for a long time by improving flexibility, balance, strength, and endurance. Regular practice can also enhance breathing, reduce stress, and promote relaxation and calmness. Remember to start slow, listen to your body, focus on your breath, and practice regularly to get the most out of your yoga practice.