Great question — this sits at the intersection of philosophy, psychology, neuroscience, and practical productivity. There are really two clusters of writers here: those who explore **time anxiety** (our fraught relationship with time's passage and scarcity), and those who study **flow** (losing track of time through deep absorption). Many overlap. --- ### Time Anxiety & Our Relationship with Time **Oliver Burkeman** is perhaps the most prominent contemporary voice. His book _Four Thousand Weeks_ (2021) argues that our anxiety stems from refusing to accept time's finitude — we can't "hack" our way out of being mortal, finite beings. His earlier book _The Antidote_ also touches on embracing limitations. He writes a popular newsletter called _The Imperfectionist_. **James Gleick** wrote _Faster: The Acceleration of Just About Everything_ (1999), exploring how modern life keeps speeding up and why we feel perpetually behind. **Hartmut Rosa**, a German sociologist, developed the theory of **social acceleration** — his _Social Acceleration: A New Theory of Modernity_ (2013) is academic but foundational. He argues that modernity is defined by three forms of acceleration (technology, social change, and the pace of life) that feed off each other, creating perpetual time pressure. **Byung-Chul Han**, a Korean-born German philosopher, writes powerfully about this in _The Burnout Society_ (2010) and _The Scent of Time_ (2017). He argues we live in an era where achievement-society replaces discipline-society — we drive ourselves to exhaustion because the pressure is internalized. _The Scent of Time_ directly addresses how time has lost its rhythm and "durations" (meaningful stretches of time) in favor of atomized, pointless moments. **Tim Kreider**'s essay _"The 'Busy' Trap"_ (New York Times, 2012) became iconic — a sharp, funny indictment of how we weaponize busyness as a status symbol. **Jenny Odell**'s _How to Do Nothing_ (2019) isn't strictly about time, but about reclaiming attention from productivity culture, which is deeply intertwined with time anxiety. **Rushkoff (Douglas Rushkoff)** wrote _Present Shock: When Everything Happens Now_ (2013), examining how digital culture collapses time into a permanent present, creating anxiety and disorientation. --- ### Flow & Deep Absorption **Mihaly Csikszentmihalyi** coined the term "flow" and wrote the foundational _Flow: The Psychology of Optimal Experience_ (1990). His decades of research identified the conditions — clear goals, immediate feedback, challenge matched to skill — that produce the state where time distorts and anxiety dissolves. **Steven Kotler** took Csikszentmihalyi's work further with _The Rise of Superman_ (2014) and _Stealing Fire_ (2017), exploring flow in extreme athletes and how neurochemistry drives these states. He co-founded the Flow Research Collective. **Cal Newport**'s _Deep Work_ (2016) is practical rather than theoretical — he argues that the ability to focus deeply without distraction is becoming rare and therefore valuable, and offers strategies for structuring time to enable flow. **Gary Keller**'s _The ONE Thing_ (2013) and **Jake Knapp & John Zeratsky**'s _Make Time_ (2018) are lighter-weight practical guides to shaping your day around focused, meaningful work. **Alex Soojung-Kim Pang** wrote _Rest: Why You Sleep More When You Work Less_ (2016), which connects deliberate rest as essential to deep work — the rhythm rather than constant grind. --- ### Bridging Both Sides **Alan Lightman**'s _Einstein's Dreams_ (1992) is a literary gem — a series of vignettes imagining worlds with different relationships to time, revealing how our anxieties are contingent rather than necessary. It's philosophical fiction that illuminates time anxiety indirectly. **Pico Iyer** writes essays (such as _"The Joy of Quiet"_, 2012, for the NYT) about slowing down and finding stillness in an accelerated world — a contemplative counterpoint to productivity literature. **Thich Nhat Hanh** and other mindfulness teachers approach time differently — through presence. His _The Miracle of Mindfulness_ (1975) teaches that anxiety about time dissolves when you fully inhabit the present moment. This overlaps conceptually with flow, though the framing is spiritual rather than psychological. --- If you want a reading path, I'd suggest starting with **Burkeman** (accessible, warm, honest about finitude), then **Csikszentmihalyi** (the science of flow), then **Han** or **Rosa** (deeper philosophical frameworks), and **Lightman** if you want something beautifully literary. Where does your interest pull you — more toward the philosophical/anxiety side, or the practical/flow side?