Meditation, relaxation, taking it easy etc have all been proved scientifically to lower the blood pressure and lower stress levels, so I will not disagree with you on this point.
However, man is a physical as well as a 'mental' being, thinking, self, 'I', and doing yoga or engaging in emptying the mind of all worldly affairs is an extreme act of meditation which has no value except to empty the mind! It is a selfish act and serves no purpose. I could mention the joining with the mind of God which Sufism says comes about through this act but all it does is enslave the mind to the sufi master; his job is done and he lives off his devotees the rest of his life.
Life is not a bed of roses to meditate upon, but needs actions to evolve the human mind to higher levels of intellectual thought, reasoning, and removing those beliefs and practices our devoid of wisdom ancestors have given us. My apologies for harsh words, but mankind is saddled with 'ancient wisdom' that is far from wise.
Strive means work, not rest in extreme meditation in the false hope that you will achieve something positive:
29:1 A.L.M. Alif-Laam-Meem. (Allah, Lateef the Unfathomable, Majeed the Magnificent, states),
29:2 Do people think that they will be left (at ease) simply because they say, "We believe", and will not be put to test?
[Mere belief such as belief in Blood Atonement will never suffice for Salvation and Success. 2:214, 3:141, 9:16, 33:10]
29:3 We did test those who lived before them. Thus, God knows those who are truthful and He knows those who are liars.
29:4 Do those who treat others unfairly think that they can escape Us (Our laws)? Bad is their judgment! [Sayyeh = Harming others = Disrupting people’s lives = Treating them unfairly]
29:5 One who looks forward to meeting with God, should have conviction that the end is bound to come – and He is the Hearer, the Knower.
29:6 So, whoever strives (with wealth and persons), strives for the good of his own ‘self’. God is altogether Independent of His creation.
29:7 As for those who come to believe and help others, We shall blot out their previous misdeeds, and We shall certainly reward them generously for what they do.
9:112 Triumphant are those who:
- Return to the right path and take corrective action as soon as they realize that they have erred.
- Obey the commands of God.
- Work to manifest the praise of God (for bestowing the most excellent guidance). .
- Pick up lessons about the history of previous nations whenever they travel.
- Are always humble before the Divine System.
- Adore and submit to God alone.
- Advocate all that is virtuous and discourage all that is vice.
- And remain watchful against trespassing the limits set by God.
So give the good news to those who have chosen to be graced with belief (that these are the men and women who deserve a most pleasant life in both worlds). [3:104, 33:35, 66:5]