Answer

In Jain practice, drinking water before Navkārśī is generally not done if one is observing Navkārśī Pachchakkhān.

So even if health advice says that drinking water early morning is good, a person observing Navkārśī should drink water only after completing the Navkārśī time and proper Pachchakkhān rules, according to their tradition.

Explanation

Navkārśī means taking food or water only after a fixed period after sunrise, with self-control and religious discipline.

In Jain Dharma:

• Water is also considered part of intake.
• If one has taken Pachchakkhān for Navkārśī, then drinking water before Navkārśī would break that vow.
• The purpose is not just physical fasting, but control over desire and attachment to the body.

If there is a genuine health issue, the right approach is to:

• Ask your Guru Bhagwant, Sādhus/Sādhvīs, or a learned Jain elder.
• Follow medical needs without disrespecting Dharma.
• Take a Pachchakkhān suitable to your health condition.

Spiritual Understanding

Jain Dharma teaches that the body should be cared for, but not worshipped. Navkārśī helps us begin the day with:

• Restraint
• Awareness
• Discipline
• Victory over taste and habit

So the spiritual view is: health advice may be useful, but religious vows must be followed carefully once accepted.

Takeaway

If you are observing Navkārśī, do not drink water before it. If health requires morning water, consult a proper Jain guide and take a vow that matches your capacity.