Patanjali opened the Yoga Sutras with a definition. Yogas chitta vritti nirodha. Yoga is the stilling of the fluctuations of the mind. That's the second sutra. The first one just says "now, yoga." He got to the point immediately.
He wasn't describing a spiritual aspiration. He was describing a clinical observation. The mind, left untrained, moves constantly. It generates interpretations, projections, anxieties, ruminations, comparisons. This movement is not inherently problematic. What Patanjali identified is that most of the mind's movement produces suffering that the events themselves don't require. The thought about the thing is worse than the thing. The anticipation of the problem outlasts the problem. The self-criticism runs longer than any single failure warrants.
He called this movement vritti which means whirlpools, or fluctuations. He classified them: correct knowledge, error, imagination, sleep, memory. Five categories of mental activity. None of them are evil. All of them, in excess, are exhausting.
His entire system, the eight limbs of yoga is a graduated method for training the mind to be less driven by its own noise. It begins with ethics (how you treat others, how you treat yourself), moves through physical practice and breath work, arrives at sense withdrawal, concentration, meditation, and finally absorption. The physical postures are the third limb. They come after ethics and before meditation. They are not the point. They are one step in a method designed to create the conditions in which the mind can be still.
The Sahan Shakti tradition; endurance and strength as social virtue told a generation of South Asians to push through. That asking for help was weakness. That the correct response to mental suffering was harder work and quieter suffering. This was not traditional Indian wisdom. It was a survival adaptation, often developed under colonial conditions, that got transmitted as virtue. The actual traditional frameworks, Patanjali's Yoga Sutras, the Buddhist Dhamma, the Upanishadic inquiry practices all started from the premise that mental suffering is caused by the mind's own unexamined activity, and that examining it is not self-indulgence but necessary work.
Patanjali's method for the mind is direct. The practice he prescribed for fluctuations was abhyasa and vairagya meaning consistent practice and non-attachment. Not suppression. Not positive thinking. Practice: returning attention to its object whenever it wanders. Non-attachment: not grasping at good states or avoiding bad ones, but observing them without being controlled by them. The instruction is simple. The doing of it is where the difficulty is, which is also where the strength comes from.
The rituals that ran through traditional South Asian daily life; pranayama at dawn, prayer at transitions, silence before sleep weren't decorative. They were structural supports for a mind that would otherwise run unattended. The form varied. The function was Patanjali's function.
What mental wellbeing actually looks like in this tradition: not the absence of difficulty, but the ability to observe difficulty without being consumed by it. Not emotional flatness, but the capacity to feel fully and remain stable. Not the avoidance of silence, but the practice of sitting in it deliberately enough that it stops feeling threatening.
That is a learnable skill. Patanjali built a two thousand year old curriculum for it. The practices in this app are part of that curriculum. This is where they come from.